add wraper functions for pfm_read_pmds, pfm_write_pmds and pfm_write_pmcs. set itimer_ns = itimer_res_ns
add wraper functions for pfm_read_pmds, pfm_write_pmds and pfm_write_pmcs.
set itimer_ns = itimer_res_ns

pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi